diff --git a/requirements.txt b/requirements.txt
index b22584c..37abffc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 alabaster==0.7.12
 argh==0.26.2
 Babel==2.9.1
-certifi==2019.6.16
+certifi==2022.12.7
 chardet==3.0.4
 docutils==0.14
 idna==2.8